// This file is part of libigl, a simple c++ geometry processing library.
// 
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
// 
// This Source Code Form is subject to the terms of the Mozilla Public License 
// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_DRAW_SKELETON_VECTOR_GRAPHICS_H
#define IGL_DRAW_SKELETON_VECTOR_GRAPHICS_H
#include "igl_inline.h"
#include <Eigen/Core>

namespace igl
{
  // Draw a skeleton with a 2D vector graphcis style à la BBW, STBS, Monotonic,
  // FAST papers.
  //
  // Inputs:
  //   C  #C by dim list of joint positions
  //   BE #BE by 2 list of bone edge indices into C
  //  point_color  color of points
  //  line_color  color of lines
  IGL_INLINE void draw_skeleton_vector_graphics(
    const Eigen::MatrixXd & C,
    const Eigen::MatrixXi & BE,
    const float * point_color,
    const float * line_color);
  // Use default colors (originally from BBW paper)
  IGL_INLINE void draw_skeleton_vector_graphics(
    const Eigen::MatrixXd & C,
    const Eigen::MatrixXi & BE);
  //   T  #BE*(dim+1) by dim  matrix of stacked transposed bone transformations
  template <typename DerivedC, typename DerivedBE, typename DerivedT>
  IGL_INLINE void draw_skeleton_vector_graphics(
    const Eigen::PlainObjectBase<DerivedC> & C,
    const Eigen::PlainObjectBase<DerivedBE> & BE,
    const Eigen::PlainObjectBase<DerivedT> & T,
    const float * point_color,
    const float * line_color);
  template <typename DerivedC, typename DerivedBE, typename DerivedT>
  IGL_INLINE void draw_skeleton_vector_graphics(
    const Eigen::PlainObjectBase<DerivedC> & C,
    const Eigen::PlainObjectBase<DerivedBE> & BE,
    const Eigen::PlainObjectBase<DerivedT> & T);
}
#ifndef IGL_STATIC_LIBRARY
#  include "draw_skeleton_vector_graphics.cpp"
#endif
#endif 
